Using the ntp server function – JVC VR-509E User Manual

Page 107

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Explanations

„ The NTP Server function is enabled in accordance with the

following procedure with Windows XP.

1. Click on [START] and then click on [Run...]

Enter the “regedit” command and then click [OK].

2. Set the following registry value to [5].

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\

Services\W32Time\Config\AnnounceFlags

3. Set the following registry value to [1].

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\

Services\W32Time\TimeProviders\NtpServer\Enabled

4. End “regedit” once the settings have been amended.

5. Enter the following command in the command prompt,

press the [Enter] key and then reboot the Windows

Time service.

net stop w32time && net start w32time

Caution: For Windows XP users

If the firewall is set to [ENABLE] with Windows XP, it is also

necessary to set the UDP port : 123 parameter that is used by

NTP to [ENABLE]. This parameter is set in accordance with the

following procedure.

Windows XP SP1 users (not necessary if the firewall is set at

[DISABLE].)

1. Open the [Local Area Connection Property], and then open

the [Advanced Setting] tab.

2. Press the [Set] button for the [Internet Connection

Firewall], and then open the [Advanced Settings].

3. Press the [Add (D)] at the bottom of the [Advanced

Settings] to display the [Service Settings] screen.

4. Set the parameters to allow NTP access.

5. Service Description: NTP

Name or Address: IP or name of the PC

External, Internal Port Numbers: 123 UDP

Set the parameters as shown above.

Windows XP SP2 users (the firewall is set at [ENABLE] in the

initial settings.)

1. Open the [Local Area Connection Property], and then open

the [Advanced Setting] tab.

2. Press the [Set] button for the [Windows Firewall], and then

open the [Exceptions] tab.

3. Press the [Add Port (O)] at the bottom of the screen to

display the [Add Port] screen.

4. Set the parameters to allow NTP access.

5. Name: (Example) NTP

Port Number: 123 UDP

Set the parameters as shown above.

„ The NTP Server function is enabled in accordance with the

following procedure with Windows 2000.

1. Start up the command prompt (DOS screen) and enter

the following command.

net time /setsntp: Server IP address

Example: net time /setsntp: 192.168.0.1

2. Open the [Control Panel]

[Administration Tools]

[Services].

3. Double-click on [Windows Time], set [Start-up Type] to

[Automatic], and then click on the [Start] button.

4. Set the following registry value to [1] (the default is [0].)

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\

Services\W32Time\parameters\LocalNTP

5. Reboot Windows Time Service (= Stop

Start)

• This is performed by opening the Windows Time Service

property from the [Service] screen on [Administration

Tools].

Using the NTP Server Function

It is very risky to amend the registry. It is recommended

that a back-up of the registry is taken prior to

commencing the editing for safety purposes.

JCV cannot be held responsible for any problems that

arise from this.

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